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US Patent 11253840 Transition metal doped alumina for improved TWC performance

Patent 11253840 was granted and assigned to Johnson Matthey on February, 2022 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Patent Applicant

Johnson Matthey

Current Assignee

Johnson Matthey

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

11253840

Date of Patent

February 22, 2022

Patent Application Number

16710009

Date Filed

December 11, 2019

Patent Citations

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US Patent 10753248 Exhaust gas purification catalyst

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US Patent 10279314 Oxidation catalyst for treating the exhaust gas of a compression ignition engine

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US Patent 10987658 Low washcoat loading single layer catalysts for gasoline exhaust gas applications

Patent Citations Received

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US Patent 11986802 Transition metal incorporated alumina for improved three way catalysts

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US Patent 11801491 Three-way catalyst with reduced palladium loading and method of making the three-way catalyst

Patent Primary Examiner

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Cam N. Nguyen

Patent abstract

Catalyst compositions, articles, systems and methods related to a three-way-catalyst composition comprising alumina doped with a transition metal.

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